// return the value of the radio button that is checked// return an empty string if none are checked, or// there are no radio buttonsfunction getCheckedValue(radioObj) {if(!radioObj)return"";varradioLength = radioObj.length;if(radioLength == undefined)if(radioObj.checked)returnradioObj....
(radioObj.checked) return radioObj.value; else return ""; for(var i = 0; i < radioLength; i++) { if(radioObj[i].checked) { return radioObj[i].value; } } return ""; } // set the radio button with the given value as being checked // do nothing if there are no radio ...
This pair of Javascript function can get or set the checked value of a group of radio buttons. These functions are specially designed for dynamic pages, and work without error with zero, one, or more radio buttons. Also, because the radio length is saved before looping, this function is mu...
<option value="3">3</option> </select> <br/> <button onclick="sub();">提交</button><br/> <button onclick="fun1();">选择4,5复选框</button><br/> <button onclick="fun2();">选择3单选框</button><br/> <button onclick="fun3();">选择2单选框</button><br/> <script type...
<input id="userSex" name="userSex" type="radio" value="2" /> <span class="style1">保密</span> <input type="button" onClick="abc()" value="取值"> </BODY> </HTML> 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
要获取radio和select的属性并控制它们,可以使用以下JavaScript技巧:,,1. 获取radio的属性:通过document.querySelector或document.getElementById获取radio元素,然后使用checked属性判断是否选中。,,2. 获取select的属性:通过document.querySelector或document.getElementById获取select元素,然后使用value属性获取选中的值。,,3....
<label><input type="radio" name="radio" value="4"/>网通</label> <input type="button" onclick="alert(getRadioValues());" value="取值方法一" /> <input type="button" onclick="foo();" value="取值方法二" /> </body> </html>...
value="option3"> Option 3 <button onclick="checkRadioButton()">Check Status</button> <script> function checkRadioButton() { var option1 = document.getElementById("option1"); var option2 = document.getElementById("option2"); var option3 = document.getElementById("option3"); if (...
<input name="radio" type="radio" value="5" />5 <input name="button" type="button" value="GetValue" onclick="GetValue()"/> </div> </body> </html> /// js选中radio document.consumerform.consumer_sex[0].checked=true;
if(oRadio[i].value == 3) { oRadio[i].checked = true; break; } } } function fun3(){ //下拉框设置值 var oSelect = document.getElementById("select1"); oSelect.value = 2; } function sub(){ //复选框获取值 var oCheckbox = document.getElementsByName("checkbox1"); var arr = ...